Sliding window roller assembly ID help

A handy person from Los Angeles, CA says:
Hi,

I am hoping you can help me identify this sliding window roller assemble. I will need 16 of them in total.

Thanks so much!
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Tom from SWISCO responded:

I wasn't able to find this exact roller, unfortunately. The only thing we have that may work is our 87-175. The overall design of the housing looks very different at first glance, and it is, but there are some similarities worth noting. The housing has the same "wing" that extends from one side, presumably to fit under the lip in the track. Plus, while it has two screw holes you could simply just ignore one and only use the other. It may be longer than your original but there's plenty of room in the track so that's no issue.

However there are still some pretty major differences you have to consider, such as the height and width. Those two details would be dealbreakers. With that in mind I do think the 87-175 is our best bet but it is no guarantee. Look it over and see what you think.

Underside view of 87-175
Underside view of 87-175
Profile view of 87-175
Profile view of 87-175
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